worms are invertebrates too! i lost some of my family last year during your science experiment with...
TRANSCRIPT
Worms are invertebrates too!I lost some of my family last year during your Science experiment with worms. But I forgive you.
Worms are classified into phyla by body structure. The 3 phyla:1. _____________________________
2. _____________________________
3. _____________________________
Characteristics of Flatworms
1. Flattened shape
2. Simplest body organization
3. Digestive cavity has one opening
4. Reproduces sexually
• ____________ (never hurts anyone:)– One example is the planarian which is both male
and female• ____________ (not quite so nice:( and pretty much
disgusting)
a. Flukes live in body tissues of animals
b. Tapeworms live in intestines of vertebrates,
incl humans----omg!
Two types of flatworms:
Characteristics of roundworms-also called ____________
• Two way opening for digestion• Reproduce sexually-flatworms are either a
boy or a girl-very sweet, right?• Many attack ________ _______• Some kill insect pests• 50 kinds are ____________ in humans
Characteristics of Segmented Worms• Water skeleton• Crop and gizzard to digest soil• 5 hearts (so they are always in love) • __________• Stiff bristles on outside propels them forward